Base | Representation |
---|---|
bin | 11011011011110… |
… | …11110101001001 |
3 | 121001001121001222 |
4 | 31231323311021 |
5 | 432404122403 |
6 | 34500451425 |
7 | 5463126464 |
oct | 1555736511 |
9 | 531047058 |
10 | 230145353 |
11 | 108a02679 |
12 | 650a9b75 |
13 | 388b04a9 |
14 | 227cc2db |
15 | 15311338 |
hex | db7bd49 |
230145353 has 2 divisors, whose sum is σ = 230145354. Its totient is φ = 230145352.
The previous prime is 230145343. The next prime is 230145373. The reversal of 230145353 is 353541032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 193989184 + 36156169 = 13928^2 + 6013^2 .
It is a cyclic number.
It is not a de Polignac number, because 230145353 - 218 = 229883209 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is equal to p12650138 and since 230145353 and 12650138 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (230145343) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115072676 + 115072677.
It is an arithmetic number, because the mean of its divisors is an integer number (115072677).
Almost surely, 2230145353 is an apocalyptic number.
It is an amenable number.
230145353 is a deficient number, since it is larger than the sum of its proper divisors (1).
230145353 is an equidigital number, since it uses as much as digits as its factorization.
230145353 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5400, while the sum is 26.
The square root of 230145353 is about 15170.5422777170. The cubic root of 230145353 is about 612.8216080286.
Adding to 230145353 its reverse (353541032), we get a palindrome (583686385).
The spelling of 230145353 in words is "two hundred thirty million, one hundred forty-five thousand, three hundred fifty-three".
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